Industrial Classification By SSIC (2020) Section D : ELECTRICITY, GAS, STEAM AND AIR-CONDITIONING SUPPLY 35 : ELECTRICITY, GAS, STEAM AND AIR-CONDITIONING SUPPLY 35 : ELECTRICITY, GAS, STEAM AND AIR-CONDITIONING SUPPLY 351 : ELECTRIC POWER GENERATION, TRANSMISSION AND DISTRIBUTION 3510 : Electric Power Generation, Transmission and Distribution 35101 : Generation of electricity by fossil fuels 35102 : Generation of electricity by other sources (e.g. solar power, biofuels etc) 35103 : Transmission, distribution and sale of electricity 35104 : Other related services (e.g. electricity brokers, meter reading) 352 : MANUFACTURE OF GAS; DISTRIBUTION OF GASEOUS FUELS THROUGH MAINS 3520 : Manufacture of Gas; Distribution of Gaseous Fuels Through Mains 35201 : Manufacture of gas; distribution of gaseous fuels through mains 35202 : Processing of natural gas 35203 : Other related services (e.g. arranging for sale of natural gas) 353 : SUPPLY OF AIR OR WATER FOR COOLING OR HEATING PURPOSES 3530 : Supply of Air or Water for Cooling or Heating Purposes 35300 : Supply of air or water for cooling or heating purposes